1//===----------------------------------------------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9// UNSUPPORTED: c++03, c++11, c++14
10// XFAIL: target=powerpc{{.*}}le-unknown-linux-gnu
11
12// <experimental/simd>
13//
14// [simd.class]
15// reference operator[](size_t i);
16// value_type operator[](size_t i) const;
17
18#include "../test_utils.h"
19#include <experimental/simd>
20
21namespace ex = std::experimental::parallelism_v2;
22
23template <class T, std::size_t>
24struct CheckSimdReferenceSubscr {
25 template <class SimdAbi>
26 void operator()() {
27 ex::simd<T, SimdAbi> origin_simd([](T i) { return i; });
28 for (size_t i = 0; i < origin_simd.size(); ++i) {
29 static_assert(noexcept(origin_simd[i]));
30 static_assert(std::is_same_v<typename ex::simd<T, SimdAbi>::reference, decltype(origin_simd[i])>);
31 assert(origin_simd[i] == static_cast<T>(i));
32 }
33 }
34};
35
36template <class T, std::size_t>
37struct CheckSimdValueTypeSubscr {
38 template <class SimdAbi>
39 void operator()() {
40 const ex::simd<T, SimdAbi> origin_simd([](T i) { return i; });
41 for (size_t i = 0; i < origin_simd.size(); ++i) {
42 static_assert(noexcept(origin_simd[i]));
43 static_assert(std::is_same_v<T, decltype(origin_simd[i])>);
44 assert(origin_simd[i] == static_cast<T>(i));
45 }
46 }
47};
48
49int main(int, char**) {
50 test_all_simd_abi<CheckSimdReferenceSubscr>();
51 test_all_simd_abi<CheckSimdValueTypeSubscr>();
52 return 0;
53}
54

source code of libcxx/test/std/experimental/simd/simd.class/simd_subscr.pass.cpp